Name: Methanothermococcus jasoni Rizzo et al. 2026

Category: Species

Proposed as: sp. nov.

Etymology: ja’so.ni. N.L. gen. masc. n. jasoni, pertaining to the ROV Jason II

Pronunciation (Latin), gender: me-t^ha-no-t^her-mo-KOK-kus JA-so-ni, masculine

Type strain: Ax23; DSM 118471; JCM 39656

Conduct genome-based taxonomy at

16S rRNA gene: PX508301 Analyse FASTA

Valid publication: Rizzo G, Scott NM, Kubik BC, Hu SK, Huber JA, Holden JF. Methanothermococcus jasoni sp. nov., a novel thermophilic methanogen from subseafloor hydrothermal vent fluids of Axial Seamount, Juan de Fuca Ridge. Int J Syst Evol Microbiol 2026; 76:7098. 🇺🇸

IJSEM list: Oren A, Göker M. Notification list. Notification that new names and new combinations have appeared in volume 76, part 3 of the IJSEM. Int J Syst Evol Microbiol 2026; 76:7148.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Notes:
  • 🎓 Name mentioned 0 times in PubMed until 2026-03-10.

Parent taxon: Methanothermococcus Whitman 2002

Assigned by: Rizzo G, Scott NM, Kubik BC, Hu SK, Huber JA, Holden JF. Methanothermococcus jasoni sp. nov., a novel thermophilic methanogen from subseafloor hydrothermal vent fluids of Axial Seamount, Juan de Fuca Ridge. Int J Syst Evol Microbiol 2026; 76:7098. 🇺🇸

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.71125Copy to clipboardLink copied to clipboard

Record number: 71125

• Previous versions:

  • Version	Date	JSON
    1	2026-04-06
    2	2026-07-02